3.7V 18650 Li-ion Rechargeable Battery 2000mAh with CCC Certificate
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Prices updated: 13 Oct 2026
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About this product
3.7 V rechargeable Li-ion cell in the 18650 cylindrical format, listed with an actual capacity of 2000 mAh and a CCC certificate. It is widely used in flashlights, power banks, battery packs and DIY electronics projects. Use it with a Li-ion charger and protection circuit.
Specifications
- Chemistry
- Li-ion
- Nominal voltage
- 3.7 V
- Format
- 18650 cylindrical
- Actual capacity
- 2000 mAh
- Certification
- CCC
Frequently asked questions
What charger should I use for this cell?
Use a charger designed for Li-ion cells that charges in constant current then constant voltage up to 4.2 V. Never charge it above 4.2 V, and do not charge it with a NiMH or alkaline charger.
Do I need a protection circuit?
Yes, for most DIY uses. A protection circuit guards against over-charge, over-discharge and short circuit. Single 18650 cells used without protection are a safety risk.
